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/** \file
* \brief Windows Base Driver
*
* See Copyright Notice in cd.h
*/
#ifndef __CDWIN_H
#define __CDWIN_H
#include <windows.h>
#include "cd.h"
#include "cd_private.h"
#ifdef __cplusplus
extern "C" {
#endif
/* Contexto de cada imagem no servidor */
struct _cdCtxImage
{
HDC hDC; /* handle para o contexto de imagem na memoria */
HBITMAP hBitmap; /* handle para o bitmap associado */
HBITMAP hOldBitmap; /* handle para o bitmap associado inicialmente */
int w; /* largura da imagem */
int h; /* altura da imagem */
double w_mm, h_mm; /* size in mm */
double xres, yres; /* resolution in pixels/mm */
int bpp;
void* rgba_dib; /* used by 32 bpp to set alpha before putimage */
unsigned char* alpha; /* the alpha values must be stored here */
};
/* Contexto de cada canvas (CanvasContext). */
struct _cdCtxCanvas
{
cdCanvas* canvas;
HWND hWnd; /* handle para janela */
HDC hDC; /* contexto gr'afico para janela */
int release_dc;
COLORREF fg, bg; /* foreground, backgound */
LOGPEN logPen; /* pena logica - struct com tipo, cor,... */
HPEN hPen; /* handle para a pena corrente */
HPEN hNullPen; /* handle da pena que nao desenha nada */
HPEN hOldPen; /* pena anterior selecionado */
int rebuild_pen;
LOGBRUSH logBrush; /* pincel l'ogico - struct com tipo, cor,... */
HBRUSH hBrush; /* handle para o pincel corrente */
HBRUSH hOldBrush; /* brush anterior selecionado */
HBRUSH hBkBrush; /* handle para o pincel com a cor de fundo */
HDC hDCMemPat;
HBITMAP hOldBitmapPat,hBitmapPat;
HDC hDCMemStip;
HBITMAP hOldBitmapStip,hBitmapStip;
HFONT hFont; /* handle para o fonte corrente */
HFONT hOldFont;
int font_angle;
float rotate_angle;
int rotate_center_x,
rotate_center_y;
struct
{
int max_width;
int height;
int ascent;
int descent;
} font;
POINT *clip_pnt; /* coordenadas do pixel no X,Y */
int clip_pnt_n; /* numero de pontos correntes */
HRGN clip_hrgn;
HRGN new_rgn;
HPALETTE hPal, hOldPal; /* handle para a paleta corrente */
LOGPALETTE* pLogPal; /* paleta logica do canvas */
char *filename; /* Nome do arquivo para WMF */
int wtype; /* Flag indicando qual o tipo de superficie */
HBITMAP hBitmapClip, hOldBitmapClip; /* Bitmap para copiar para clipboard */
BITMAPINFO bmiClip;
BYTE* bitsClip;
DWORD RopBlt; /* Raster Operation for bitmaps */
int isOwnedDC; /* usado pelo Native canvas */
BYTE* dib_bits;
int bits_size;
cdImage* image_dbuffer; /* utilizado pelo driver de Double buffer */
cdCanvas* canvas_dbuffer;
HBITMAP img_mask; /* used by PutImage with mask and rotation and transparency */
POINT img_points[3];
int use_img_points;
char fill_attrib[2];
int img_format;
unsigned char* img_alpha;
};
enum{CDW_WIN, CDW_BMP, CDW_WMF, CDW_EMF};
/* Cria um canvas no driver Windows e inicializa valores default */
cdCtxCanvas *cdwCreateCanvas(cdCanvas* canvas, HWND hWnd, HDC hDC, int wtype);
void cdwInitTable(cdCanvas* canvas);
void cdwRestoreDC(cdCtxCanvas *ctxcanvas);
/* Remove valores comuns do driver Windows, deve ser chamado por todos os drivers */
void cdwKillCanvas(cdCtxCanvas* canvas);
/* implemented in the wmfmeta.c module */
void wmfMakePlaceableMetafile(HMETAFILE hmf, char* filename, int w, int h);
void wmfWritePlacebleFile(HANDLE hFile, char* buffer, DWORD dwSize, LONG mm, LONG xExt, LONG yExt);
/* implemented in the wmf_emf.c module */
int cdplayWMF(cdCanvas* canvas, int xmin, int xmax, int ymin, int ymax, void *data);
int cdregistercallbackWMF(int cb, cdCallback func);
int cdplayEMF(cdCanvas* canvas, int xmin, int xmax, int ymin, int ymax, void *data);
int cdregistercallbackEMF(int cb, cdCallback func);
/* Estrutura que descreve um DIB. The secondary members are pointers to the main dib pointer. */
typedef struct _cdwDIB
{
BYTE* dib; /* The DIB as it is defined */
BITMAPINFO* bmi; /* Bitmap Info = Bitmap Info Header + Palette*/
BITMAPINFOHEADER* bmih; /* Bitmap Info Header */
RGBQUAD* bmic; /* Palette */
BYTE* bits; /* Bitmap Bits */
int w;
int h;
int type; /* RGB = 0 or MAP = 1 or RGBA = 2 (dib section only) */
} cdwDIB;
enum {CDW_RGB, CDW_MAP, CDW_RGBA};
int cdwCreateDIB(cdwDIB* dib);
void cdwKillDIB(cdwDIB* dib);
HANDLE cdwCreateCopyHDIB(BITMAPINFO* bmi, BYTE* bits);
void cdwDIBReference(cdwDIB* dib, BYTE* bmi, BYTE* bits);
int cdwCreateDIBRefBuffer(cdwDIB* dib, unsigned char* *bits, int *size);
void cdwCreateDIBRefBits(cdwDIB* dib, unsigned char *bits);
HBITMAP cdwCreateDIBSection(cdwDIB* dib, HDC hDC);
HPALETTE cdwDIBLogicalPalette(cdwDIB* dib);
/* copy from DIB */
void cdwDIBDecodeRGB(cdwDIB* dib, unsigned char *red, unsigned char *green, unsigned char *blue);
void cdwDIBDecodeMap(cdwDIB* dib, unsigned char *index, long *colors);
/* copy to DIB */
void cdwDIBEncodePattern(cdwDIB* dib, const long int *colors);
void cdwDIBEncodeMapRect(cdwDIB* dib, const unsigned char *index, const long int *colors, int xi, int yi, int wi, int hi);
void cdwDIBEncodeRGBRect(cdwDIB* dib, const unsigned char *red, const unsigned char *green, const unsigned char *blue, int xi, int yi, int wi, int hi);
void cdwDIBEncodeRGBARect(cdwDIB* dib, const unsigned char *red, const unsigned char *green, const unsigned char *blue, const unsigned char *alpha, int xi, int yi, int wi, int hi);
void cdwDIBEncodeRGBARectZoom(cdwDIB* dib, const unsigned char *red, const unsigned char *green, const unsigned char *blue, const unsigned char *alpha, int w, int h, int xi, int yi, int wi, int hi);
void cdwDIBEncodeAlphaRect(cdwDIB* dib, const unsigned char *alpha, int xi, int yi, int wi, int hi);
#ifdef __cplusplus
}
#endif
#endif /* ifndef CDWIN_H */
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